""ET TROJAN AstroBot CnC Activity""

SID: 2029233

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_07, deployment Perimeter, malware_family AstroBot, signature_severity Major, updated_at 2020_01_07

Reference:

  • md5

  • 3b6df3e900f8d0b757441fe682b91a3c

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/gate.php"

  • Value: "p=" Depth: 2

  • Value: "&id="

  • Value: !"Referer|3a|"

Within:

PCRE: "/^p=[^&]+&id=[0-9]+$/Psi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_header

source